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The Global Earth Observation System of Systems ... - PMOD/WRC

The Global Earth Observation System of Systems ... - PMOD/WRC

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GEOSS and Metrological Support for MeasuringM<br />

Radiometric<br />

Properties <strong>of</strong> Objects<br />

<strong>of</strong> <strong>Observation</strong>s<br />

Summary <strong>of</strong> measurements <strong>of</strong> the melting / freezing<br />

temperatures <strong>of</strong> eutectics (VNIIOFI data)<br />

Metal<br />

Purity<br />

T, , K<br />

Repeatability, σ<br />

Radiance, %<br />

650 nm<br />

Re-C<br />

0.99995<br />

0.04 – 0.09<br />

0.01 – 0.022<br />

TiC-C<br />

0.9998<br />

0.05<br />

0.012<br />

ZrC-C<br />

0.9994<br />

0.09<br />

0.02<br />

HfC-C<br />

0.999<br />

0.30<br />

0.06<br />

18

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